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双语推荐：钢丝绳

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钢丝绳是起重设备的重要部件，在工程设备中应用广泛，然而对其受力特性及疲劳寿命的深入研究较少。分析了钢丝绳的受力特性，基于起重机的载荷状态级别及载荷谱系数，考虑钢丝绳的反向弯曲等因素，对钢丝绳的弯曲疲劳寿命进行了探讨，并给出了提高钢丝绳疲劳寿命的措施。
The wire rope is an important part of lifting equipment .In this paper ,the mechanical characteristics of the wire rope were analyzed ,based on the crane load condition level and the load spectrum coefficient , the bending fatigue life of wire rope was discussed ,and the measures for improving the wire rope fatigue life was given at last .

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深水下放作业钢丝绳动力学分析对于深水水下安装、维修等作业的顺利实施和缆体动力行为的虚拟仿真都具有重要意义。借助于动力学分析软件ADAMS对钢丝绳的动力学进行分析,确定了影响钢丝绳动力学响应的主要因素,提高了钢丝绳动力学虚拟仿真结果的精度和可靠性,对钢丝绳动力学的虚拟仿真具有指导意义。
Dynamic analysis of wire rope in deepwater lowing operation has important significance to the smooth implementation of deepwater installation and maintenance and the cable body virtu-al simulation of dynamic behavior.Based on modeling and calculation of dynamic analysis for wire rope in dynamic analysis software ADAMS,the main factors to impact the dynamic response can be determined and we can guide dynamics calculations in virtual simulation system and improve the reliability of the results.

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为了保证钢丝绳的安全运行和最大化利用,针对目前钢丝绳在线无损检测难度大、检测设备精度低、使用不方便、检测结果容易受到钢丝绳运动速度影响等缺限,本文设计了一种基于磁通和漏磁检测原理的便携式钢丝绳无损探伤仪,详细介绍了其检测原理、硬件设计以及软件设计方案。现场应用结果表明:该便携式钢丝绳无损探伤仪具有使用方便、检测精度高、对钢丝绳运动速度不敏感等优点。
In order to ensure the safe working and maximum utilization of wire rope,and in order to solve the problems that the wire rope on-line nondestructive detection is difficult,precision of testing equipment is low,operation is not convenient,and the detection result is easy to be influenced in movement speed of the wire rope,we design a wire rope nondestructive monitor based on the theory of magnetic flow and leakance of magnetic field,introduce its detection principle,hardware design and software design scheme. The application results show that:the portable wire rope non-destructive detector has the advantages of convenient,high detection precision,and insensitive to on the wire rope movement speed.

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为提高钢丝绳的安全性,最大限度发挥材料性能,合理地设计和制造满足各种性能要求的钢丝绳产品,采用UG软件对1×7+IWS结构的圆股钢丝绳进行三维实体建模,然后通过UG与ANSYS的接口导入ANSYS中。采用面—面接触求解方法,对导入的钢丝绳实体进行有限元网格划分、建立接触对和施加约束并求解。研究了捻距S对服役中的钢丝绳应力应变的影响,得到相应的应力应变云图,为钢丝绳的设计和改进提供了理论依据。
In order to improve safety of steel wire ropes, make full use of the material performance and reasonably design and manufacture steel wire products satisfying various performance requirements, the 3D solid model of 1 ×7+IWS circular strand steel wire rope was established by using UG, and imported into ANSYS through the in-terface of UG and ANSYS.The solid model was divided into finite element mesh, and contact pairs were estab-lished, restraint applied and solved by the surface-surface contact analysis method in ANSYS.Influence of lay length S on the stress and strain in steel wire rope in service was studied, and the corresponding stress-strain contours were obtained, which provides theoretical basis for design and improvement of steel wire ropes.

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针对多绳摩擦式矿井提升钢丝绳工作中存在高速、多姿态等在线检测技术难点,进行了矿井钢丝绳在线检测探头设计。采用感应线圈进行差分并优化布局,使得钢丝绳股波信号得以最大限度的消除。结合探头设计给出了检测系统设计方案,并设计出了钢丝绳在线检测系统,该系统在煤矿矿井钢丝绳提升系统的安全监测中有着较好的使用效果。
In view of such testing difficulties as high velocity and multiple poses of wire ropes of multi-rope friction hoist during operation,a specific probe of online testing for mine wire ropes was designed.The induction coil was applied to conduct differential and optimized layout so as to eliminate signals of strand waves to the maximum.In addition,the design scheme of the testing system was offered,and the online wire rope testing system was designed.The system served the safe monitor of the wire rope hoisting system in collieries well.

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通过对20吨汽车起重机钢丝绳进行拆股检测、断口分析、显微组织分析检测，分析钢丝绳断裂原因，结果表明钢丝绳的磨损严重，存在多处断股是其断裂的直接原因。
Through share split testing of the 20-ton crane wire rope,microstructure analysis,fracture surface analysis to analysis the fracture of the wire rope,showed he wire rope wear serious,the direct cause of the fracture is a number of broken stocks.

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基于钢丝绳的结构特点及受力情况,设计制作了一种新型钢丝绳夹具,该夹具夹紧过程既方便快捷又安全高效,可适用于不同直径的钢丝绳,尤其适用于大张力钢丝绳施工、测试的夹紧过程中。通过采用有限元分析方法,对该钢丝绳夹具结构的关键零件进行静力学分析计算,验证校核该夹具的结构强度。该夹具现已在1 200t船用构件力学性能测试平台投入使用。
Based on the structural characteristics of the steel -wire rope and the load distribution , it designs a new type of steel-wire rope fixture .The clamping process of fixture is convenient .It applies the safe efficient to different diameters of the rope , especially applied to the clamping process of high tension steel -wire rope''s con-struction for testing and clamping analysis .Based on finite element analysis method , it realizes the static analysis and calculation on the steel -wire rope fixture''s key parts .This improves the fixture''s mechanical properties and the fixture is used in the mechanical properties testing platform of 1 200 t marine component .

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通过对钢丝绳绳端固定压绳板材质、数量及不同钢丝绳安全圈数的试验和计算,分析压绳板失效的原因,比较不同条件下钢丝绳绳端固定的可靠性。
According to test and calculation of texture of rope-pressing plates for fixing the rope ends,quantity,and safety number of laps of different steel ropes,the paper analyzes the failure cause of rope-pressing plate,with comparison of reliability of rope-end fixation under different conditions.

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通过对旁侧压力的测量,根据钢丝绳张力和旁侧压力的关系,可获取起重机钢丝绳的张力数据,据此设计起重机载荷称重传感器。根据起重机吊钩的构成,进行了吊钩钢丝绳受力分析,找出了载荷重量与钢丝绳张力的关系。又根据起升机构运行状态,研究了不同运行状态下,钢丝绳受力变化。最后给出了动态情形下的起重机载荷称重传感器的测量原理和实现方法。
Through measurement of side pressure,the tension data for crane’s wire rope is worked out based on rela-tion between the tension of wire rope and side pressure,in order to design the crane load weighing sensor.The force analy-sis is performed for hook wire rope according to composition of crane hook to figure out relationship between the load weight and rope tension.The stress changes for wire rope are researched under different operating states of hoisting mechanism.Finally,the measuring principle of crane load weighing sensor and implementation method are provided in dy-namic situations.

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为合理科学地选择矿井提升钢丝绳，从钢丝绳的安全系数、结构、捻向、使用环境等方面介绍了选绳时的参考因素。按钢丝绳在天轮（或导向轮）切点处所承受的最大静载荷，并考虑一定的安全系数，分别给出了立井单绳缠绕式、立井多绳摩擦式提升钢丝绳，以及斜井提升钢丝绳的选择计算公式及其推导过程。列举一实例，根据介绍了的选绳时的参考因素，用实际的矿井提升系统所对应的计算公式，对矿井提升钢丝绳进行了详细的计算、选型。
In order to choose the mine hoisting rope reasonably, this article described the reference factors from the aspects of safety coefficient, structure, twist, using-environment, etc. Considering the wire rope withstood the maximum static load at the tangent point of the sheave (or guide wheel) and certain safety coefficient, this article showed the formulas and derivation processes of the types of single-rope-winding and multi-rope-friction lifting system in shaft, as well as inclined shaft, and made an actual example of how to calculate and select mine hoisting rope, using the corresponding formulas and referring to the introduced reference factors.

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